From c88602f080dcafea6ba222a2f7cc1ea0e41ef3cc Mon Sep 17 00:00:00 2001
From: Mike Pall
The third argument specifies the mode, which is 'or'ed with a flag. -The flag can be LUAJIT_MODE_OFF to turn a feature on, -LUAJIT_MODE_ON to turn a feature off, or +The flag can be LUAJIT_MODE_OFF to turn a feature off, +LUAJIT_MODE_ON to turn a feature on, or LUAJIT_MODE_FLUSH to flush cached code.